Income Taxes Income Before Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income (Loss) from Continuing Operations before Income Taxes, Domestic	$ 150,023	$ 135,992	$ 115,413
Income (Loss) from Continuing Operations before Income Taxes, Foreign	174,079	152,468	123,429
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	$ 324,102	$ 288,460	$ 238,842